5Pcs Black Rubber Guitar HeadStock Pick Holder New This wireless earbuds is designed according to the geometry of the ear. The ergonomic design make these earphones provide all-day comfort and stay put in ears while you're running, jogging, weight lifting, walking and gym training. With Bluetooth 4.2 technology, our Bluetooth earduds pumps out the deepest bass soaring highs and ultra-clear midrange. Professional design provides powerful bass enhanced sound with superb musical details. Excellent dynamic unit enhances the high-definition sound. Allow hands-free calls while driving or music streaming without having to control through your phone or electronic device; In-line remote control with Play/Pause, Hands-Free Calling, Next music function. The Bluetooth Headphone build-in 60mAh lithium battery. Provide up to 2 to 3 hours music time at 50-70% volume. Portable charging case built-in 900mAh battery supports 6 times fully charging. Free your hands or pockets from bulky devices but continue to enjoy personal time.The Bluetooth Headphone build-in 60mAh lithium battery. Provide up to 2 to 3 hours music time at 50-70% volume. Portable charging case built-in 900mAh battery supports 6 times fully charging. Free your hands or pockets from bu Almost compatible with most Bluetooth enabled devices, such as smartphones, tablets, PC and TV.